Aircraft



FIG. 1 is a perspective view showing the top, left side and front of an aircraft which forms my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line portions of the figure drawings are included to show environment that forms no part of the claimed design. 

CLAIM The ornamental design for an aircraft, as shown and described. 